| Name | Meaning | Gender | Origin |
|---|
| Huckleberry | | Male | Hebrew |
| Huxley | inhospitable place | Male | English |
| Indy | after Indiana Jones | Unisex | |
| Isabeau | from the movie LadyHawke | Female | |
| Isaiah | salvation of the Lord | Male | Hebrew |
| Isis | throne | Female | Egyptian |
| Ivan | Form of John | Male | Russian |
| Ivy | ivy plant, a wine | Female | Plant |
| Jada | wise | Female | Spanish |
| Jaeger | Hunter | Unisex | German |
| Jager | Carter | Unisex | English |
| Jay | jaybird | Male | Latin |
| Jed | the hand | Male | English |
| Jellybean | | Unisex | Hebrew |
| Jerry | after Jerry Garcia, The Grateful Dead | Male | English |
| Jeter | after Derek Sanderson Jeter, Yankee's shortstop | Male | |
| Jiggs | | Unisex | Hebrew |
| Joey | Abbreviation of Joseph.
| Male | |
| Joey | Abbreviation of Joseph.
| Male | |
| Joker | | Male | Hebrew |
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Journey | Journey | Female | English |
| Judy | Hebrew, He will be praised, woman from Judea | Female | English |
| Juliette | youthful | Female | |
| June | 6Th Month | Female | English |